| Index | Gulf Port | Illinois | National |
| Income per capita | $39,225 | $47,397 | $44,883 |
| Median household income | $79,651 | $88,967 | $81,333 |
| Median income owner occupied | $78,965 | $111,557 | $106,172 |
| Median income renter occupied | $0 | $52,117 | $52,080 |
| Median earnings male | $36,699 | $60,185 | $54,343 |
| Median earnings female | $0 | $40,368 | $38,439 |
| Unemployment rate | 0.0% | 6.6% | 4.9% |
| Poverty level | 0.0% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 100.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 50.0% |
| Public administration | 0.0% | 50.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 0.0% | 0.0% |
| City | Population | Household Income | National Avg. |
| Denmark, IA | 516 | $166,445 | 104.6% |
| Biggsville, IL | 452 | $131,195 | 61.3% |
| Beaverdale, IA | 918 | $100,146 | 23.1% |
| Raritan, IL | 127 | $97,547 | 19.9% |
| Middletown, IA | 459 | $97,406 | 19.8% |
| Gulf Port, IL | 21 | $79,651 | 2.1% |
| City | Population | Household Income | National Avg. |
| Wiederkehr Village, AR | 21 | $135,387 | 66.5% |
| Hunter Creek, AZ | 21 | $0 | 100.0% |
| Cotter, IA | 21 | $132,680 | 63.1% |
| Fults, IL | 21 | $113,914 | 40.1% |
| Waterview, MD | 21 | $0 | 100.0% |
| Gulf Port, IL | 21 | $79,651 | 2.1% |